 鲜花( 53)  鸡蛋( 0)
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找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:! x8 C6 t0 Z! Z% ?0 O
1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
: a' n; q2 b1 ^0 [6 D2. supporting beams are a bit too far away from each other.
" n& r( B5 n6 S* V1 k3. supporting beams are not level due to earth settlement.
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For 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.
$ p8 v: ]& D I- I VBut anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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